/**
 * Copyright (C) 2010-2015 eBusiness Information, Excilys Group
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed To in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package org.androidannotations.holder;

import static com.sun.codemodel.JMod.PUBLIC;

import com.sun.codemodel.JBlock;
import com.sun.codemodel.JMethod;
import com.sun.codemodel.JVar;

public class PreferenceActivityHolder extends PreferencesHolder implements HasPreferenceHeaders {

	private JBlock onBuildHeadersBlock;

	private JVar onBuildHeadersTargetParam;

	public PreferenceActivityHolder(EComponentWithViewSupportHolder holder) {
		super(holder);
	}

	@Override
	public JBlock getOnBuildHeadersBlock() {
		if (onBuildHeadersBlock == null) {
			setOnBuildHeadersBlock();
		}
		return onBuildHeadersBlock;
	}

	@Override
	public JVar getOnBuildHeadersTargetParam() {
		if (onBuildHeadersTargetParam == null) {
			setOnBuildHeadersBlock();
		}
		return onBuildHeadersTargetParam;
	}

	private void setOnBuildHeadersBlock() {
		JMethod method = getGeneratedClass().method(PUBLIC, codeModel().VOID, "onBuildHeaders");
		method.annotate(Override.class);
		onBuildHeadersBlock = method.body();
		onBuildHeadersTargetParam = method.param(classes().LIST.narrow(classes().PREFERENCE_ACTIVITY_HEADER), "target");
	}

}
